Schedule of income taxes statutory rates (Details) - CAD	3 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended	24 Months Ended
Apr. 30, 2017	Apr. 30, 2016	Jul. 31, 2016	Jan. 31, 2016	Apr. 30, 2017	Apr. 30, 2016	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016
Loss for the period	CAD (1,969,655)	CAD (428,814)	CAD (144,334)	CAD (489,132)	CAD (3,285,186)	CAD (489,132)	CAD (633,466)	CAD (132,733)	CAD (132,733)
Expected income tax (recovery) at statutory tax rates							(215,000)		(45,000)
Permanent differences							186,000		(4,000)
Valuation allowance							29,000		49,000
Income tax recovery							CAD 0		CAD 0

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).

+ References

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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